docstr: Whether this Batcher has any full batches.
docstr_tok: ["Whether","this","Batcher","has","any","full","batches","."]
code: def has_batch(self) -> bool:
      """Whether this Batcher has any full batches."""
      raise NotImplementedError()
  
imports: from typing import Optional
  from ray.data._internal.arrow_block import ArrowBlockAccessor
  from ray.data._internal.arrow_ops import transform_pyarrow
  from ray.data._internal.delegating_block_builder import DelegatingBlockBuilder
  from ray.data.block import Block, BlockAccessor
label_desc: Use image node_id 3 for calling the BatcherInterface obj's underlying member method code with example usage: obj.has_batch() without return types